CONTENTS of PROCEEDINGS

ELECTRONICS 1999

 

 Book 1 (in English)

Shoikova E., S.Tzanova, I.Pandiev, D.Kolev, VLE-ECADELL Project: An ODL Course on Electronics Computer Aided Design

5

Meijer G., G.Wang, Features and Limitations of CMOS Voltage References

17

Meijer G., V. Iordanov, A Novel Switched-Capacitor Front End for Capacitive Sensors with Wide Dynamic Range

24

Mihov G., M.Mitev, Modification of an Open Collector Driver for Line Driving with an AC Termination

30

Popov A., H.Hristov, A Method to Minimizing Capacitor Mismatch Error in a Charge Redistribution DAC

36

Ivanov R., A.Kerezov, Multi Channel Contact Resistance Measurement Equipment for Telecommunication Connectors

43

Ivanov R., A.Kerezov, I.Lesichkov, Algorithms for Decoding Quadrature Encoded Pulses

49

Dimitrov I., G.Mihov, St.Jilov, Glass Fragment Control

56

Nihtianov St., G.Meijer, A New Concept for Impedance Sensor Interfacing with First Order Oscillator

62

Ogrutan P., C.Gerigan, F.Sandu, D.Nicula, Estimation of Radiated Emissions from a PC-AT Computer

68

Gavrovski Cv., M.Makraduli, J.Kosev, Microcontroller Based Portable Dosemeter for x and γ Radiation

72

Bogdanov M., St.Ovcharov, Synchronization with the Grid During the Measurement of Power

78

Zaharinova-Papazova V., Distributed Direct Memory Access Arbitration

84

Mitevski S., M.Bogdanov, Resolution Enhancement of Images Using Multiresolutional Basis Fitting Reconstruction

90

Gudenberg J., Cheap Extension of Floating-Point Units for Interval Arithmetic

96

Atanasov L., S.Bogdanova, Frequency Domain Design of Mixed IIR/FIR Quadrature Mirror Filter Banks

102

Uzunov I., G.Stoyanov, Magnitude Approximation Method for Variable IIR Digital Filters Design

108

Sotirov L., N.Nikolov, Matlab-Implementation of M2A2-Algorithm for Optimal Singular Adaptive Observation of SISO Linear Discrete Systems

116

Mollova G., Effective Design Algorithms for Finite Impulse Response Digital Filters

122

Markov St., V. Manoev, Addressing System of the Look-Up-Table for Digital Waveforms Synthesis

128

G.E.MD.C.Bandara, R.Ivanov, Fuzzy Control Compared with Digital PID Control

134

Apostoaia C., F.Sisak, S.Moraru, State Observer for Field Oriented Control in High Speed Range for Embedded Systems

140

Apostoaia C., S.Moraru, F.Sisak, A Study of Low Speed Range Observer for Embedded Vector Oriented Control Systems

146

 

 Book 2 (in English)

Karakehayov Zd., E.Saramov, A Case Study in Hardware-Software Co-Design of EPROM Emulators

5

Karakehayov Zd., L.Karakehayova, Embedded Systems Clock Optimization for Low Power

11

Furnadjiev V., V.Hristov, ATM Networks-Problems

16

Dotsinsky I., I.Jekova, QRS and Ectopic Beat Detection in Corrupted by Movements Electrocardiogram

22

Dotsinsky I., I.Jekova, I.Christov, Simulator for Movements Accompanying the Emergency Electrocardiogram Recordings

28

Dotsinsky I., I.Jekova, M.Botsivaly, K.Koutsourakis, Detection of Ventricular Fibrillation

32

Hatib F., I.Daskalov, Prediction of Transthoracic Impedance to Defibrillating Current in External Defibrillation

38

Krasteva V., A.Cansell, I.Daskalov, Modelling of Transthoracic Electrical Defibrillation Waveforms

44

Petrova G., I.Daskalov, High-pass Filtering of Cardiogenic Electrical Impedance Signals

50

Nikolaev N., Zd.Nikolov, A.Gotchev, Comparative Study of Some Basic Functions in Wavelet Shrinkage ECG Denoising

56

Shoikova E., Sl. Tzanova, D.Kolev, I.Pandiev, Web-based Module "Methodology of Electronics Computer Aided Design with PSpice Products” for Flexible Education in Electronics

62

Goranov P., M.Hristov, M.Goranova, A.Trifonov, Synopsys Design System Implemented in Education

69

Marinov M., T.Djamiikov, Sv.Matova, Multichannel Measurement Module under MS-Excel Control

75

Moraru S., C. Apostoaia, F.Sisak, A Reliability Analysis of the Distributed Processing Systems

81

Moraru S., F.Sisak, C. Apostoaia, Preventive Maintenance of the Digital Systems for Self-diagnosis Equipments Control

85

Krumov A., One Criterion for Software Safety

91

Milev M., M.Hristov, Characteristics of Single Perceptron Training

96

Kutchoukov V., J.Mollinger, A.Bossche, Rounding of Wafer-Hole Corners in <100>-oriented Silicon Wafer by Anisotropic Etching

102

Petrova B., M.Hristov, Gegov G., St.Markov, Logical Design of a CAN Controller

107

Arsov G., Simple Static Induction Thyristor Model for PSpice Simulation

113

Kosev J., G.Arsov, 12V-to-15V PWM-Regulated Switched-Capacitor DC-to-DC Voltage Converter

118

Popov E., Controlling Characteristics of Thyristor Parallel Current-Fed Inverter with Inductive-Thyristor Compensator

124

Deneva M., M.Nenchev, Dual-Wavelength Laser: Improvement of the Tuning Characteristics

132

Slavov D., M.Nenchev, Two-Wavelength TI3+:Al2O3 Lasers, Controlled by Self Injection or by Injection From Coupled Dye Laser: Comparative Study

137

Stefanova K., E.Gadjeva, Behavioral Computer Modeling of A/D Converters Using General Purpose Analysis Programs

146

Gadjeva E., Macromodel Approach to Semi-Symbolic Analysis Using Numerical Circuit Analysis Programs

152

Djerassi E., E.Gadjeva, Microwave Circuit Analysis Using General-Purpose Analysis Programs

158

 

 Book 3 (in Bulgarian)

Zlatarov V., D.Doichev, New Features of Operational Amplifiers and Audio Power Amplifiers

7

Wasilew D., O.Diulgerski, Simple Linear Gate with Electronic Regulation of Coefficient of Permeability

25

Mitev M, Ch.Lenev, Charge to Digital Logarithmic Resonance Converter

28

Tabakov S., Family of Drivers for the Single Chip Microprocessor System MCU68HC11

34

Todorov D., Microohmmetric Measurements of High Level of Noise Influence and a Long Distance to the Measured Object

39

Todorov D., Low-Noise and High Effective Powerful Stimulating- Measuring Sources of Voltage and Current Working in a Wide Dynamic Range

45

Todorov D., G.Mihov, DC/DC Converter for Measuring Controllers Using the TOPSwitch® family in Sepic-Cuk Configuration

51

Mardirossian G., B.Boichev, Compensation Low-Frequency Seismoreceiver

57

Ivanov V., V.Hinkov, B.Basheva, Pulse Sensor for Power Measuring

63

Kamburov L., J.Urumov, Hr. Hristov, Antenna Probe on Base of Fresnel Axial Symmetrical Curved Surfaces

69

Boyanov B., E.Todorov, Implementation of Real-Time Genetic Optimization Algorithm Kernel on Digital Signal Processor

74

Velikov J., J.Kolev, Investigation of Syllables Based Speech Synthesis for the Bulgarian Language

80

Tsonev,M., V.Tsonev, I.Rousseva, N.Bencheva, Kr.Raikov, Microcomputer Control for Electrical Household Stove Control

86

Tsonev M., Kr.Raikov, V.Tsonev, I.Rousseva, N.Bencheva, Programmable Controller for Electrical Household Stove

92

Stefanova St., Milticriterion Optimization Design of 2-D IIR Digital Filter

97

Stoyanov I., E.Shoikova, I.Pandiev, G.Nikolov, Independent Voltage Source's Resistance Influence Upon the Frequency Response of the Non-Inverting Amplifier

103

Stoyanov I., G.Nikolov, I.Pandiev, Design and Investigation of Amplifiers Working at High Impedance Level

109

Shoikova E., I.Pandiev, Web-Based Module "Methodology of Active Filter Computer-Aided Design"

115

Shoikova E., I.Pandiev, Web-Based Module "PSpice Macromodels of Bipolar/FET and CMOS OpAmps"

123

Rehm W., St. Simeonov, PCI-SCI Bridge with an Optimized User Interface

131

Radkov R., P.Antonov, Ethernet Switch Design Problems

138

Spasov G., V.Furnadjiev, Medium Access Control Protocols Modelling for Wireless Networks

145

Koichev K., St.Sadinov, Design of Trunk Cable TV Nets with Low Level of Noises

151

Sadinov St., K. Koichev, Multimedia Transmission Options via Cable TV Networks

157

Ovcharov St., Electronic Circuitry with Higher Measuring Sensitivity of Vibrations and Movements by Laser Interferometer

163

Demirev V., Tch.Tchanev, DSP Antenna Systems for SC-CDMA Mobile Communications

170

Savov T., V.Videkov, Improvement of the Solder Paste Printing Process

177

Dandolov I., T.Ivanova, Pl.Kostov, Sv.Sapunova, SVET Space Greenhouse Control Unit

182

Nikolow Dr., J.Kolev, About Descriptor Estimation for Speech Recognition

188

Tjuliev N., E. Balkanska, T.Alexandrov, Thin Film Balance Controller

194

 

 Book 4 (in Bulgarian)

Atanassov V., B.Peev, N.Vassilev, V.Vassilev, Functional Mode Features of CCD Sensor Operating in Imaging Spectrometer

7

Dinoev St., D.Borissova, M.Antonov, Laser Diode Laboratory Module for the Irradiation of Planting Material

13

Bantutov E., D.Borissova, Laboratory Model of No-Contact Device for Measurement Diameter of Objects with Round Cross-Section Size

16

Videkov V., M.Videnov, On the Reception of Terms in Electronics Data from an Experiment

19

Petrov N., P.Petrova, Effect of the Construction of the Aircraft and the Surface of the Territory on Precision of the Work of Angle Measuring Radio and Navigational Devices

25

Petrov N., V.Bochev, I.Radkov, J.Georgieva, V.Stoikova, Valuation of the Possibility for Execution of Regulation Works on Avation Technique in a Stated Period

30

Stoilov G., On some Aspects of the Quality of the Electronic Production

33

Stoilov G., Basic Intelligences and Principles about Quality Automatic Control of the Electronic Technological Process

39

Bochev V., N.Petrov, Generalize Criterion on Evaluations Errors Under Telemetrical Control Technical Condition Objects

45

Bochev V., Pl.Daskalov, Simulating Study of Dependency Accuracy a Forecasting with Different Trend Variation Values Controlled Parameters Complex System

48

Bochev V., Holistic Simulating Study of Algorithm a Forecasting Variation Controlled Parameters Aviation Techniques

53

Georgieva N., A.Georgiev, Microelectronic Devices Reliability Estimation Problems Using Non-Homogenous Priori Data

60

Jotova-Ivancheva W., P. Belev, Thermodynamic analysis for ln1-x GaxAs Epitaxial Growth by the Chlorid CVD Process

66

Jotova-Ivancheva W., Pl.Macinski, Thermodynamic analysis for ln1-x GaxAsyPy-1 Epitaxial Growth. Results and Analysis

72

Hristov M., B.Banov, I.Shumkov, R.Radonov, A Low Voltage Offset, Low Cost CMOS Operational Amplifier With Two Types of Miller Compensation

78

Bankov N., R.Radonov, M.Hristov, Logic Synthesis, Schematic and Layout of CAN Controller

84

Kolev I., P.Hristova, Model of Photodiode Optocoupler for Simulation Electronic Circuits with the “PSPICE” Package

90

Alexandrov A., Thermoelectric Battery

95

Dankov D., M.Simeonov, Quasi-Resonant DC-DC Converter

101

Velichkov G., R.Karov, IGB Transistors in Three-Phase Inverter Circuits for AC Motors Control

107

Yudov D., V.Valtchev, Zero-Voltage and Zero-Current Switching DC/DC Half Bridge Converter

114

Yudov D., V.Valtchev, T.Filtchev, J.Batchvarov, Zero-Voltage Switching Boost DC/DC Converter

120

Valtchev V., D. Yudov, Optimal Switching Conditions of Zero-Voltage and Zero-Current Switching Half Bridge Converter

126

Georgiev A., N.Georgieva, Reliability Analysis of Autonomous Hybrid Solar-Wind Energy Conversion System

132

Georgiev A., V.Valtchev, D. Yudov, Structure Model of the Reliability Analysis of Autonomous Hybrid Solar-Wind Energy Conversion System

138

Gradinarov N., N.Hinov, D.Arnaudov, High Frequency, High Efficiency Electronic ballast for Fluorescent Lamps

144

Gradinarov N., N.Hinov, D.Arnaudov, A Research of Resonant Inverters with Improved output Characteristics, working with ZCS

147

Gradinarov N., N.Hinov, D.Arnaudov, A Design Procedure for RIRD Working on a Under Resonant Frequency

150

Petrova P., Thyristor Model Parameters Determination

162

Bankov N., M.Dinkova, Design of Resonance Inverter Input Filter

168

Krustev Kr., K.Kralev, D.Hjagolov, Modelling and Analysis of Current Control Circuit for Magnet Ventil

172

Kralev K., D. Hjagolov, Kr. Krustev, Modelling and Analysis of Voltage Control Circuit for Car Generator

177

Georgiev L., “Single-Chip PC” Embedded Systems Design

182

Stoyanov P., Advanced Principles for Electronic Surveillance and Control in RF Range

188

Mladenov Ml., Advanced Principles for Optic and Optoelectronic Surveillance and Control

192